Oily Water Separator and Pumping Operation Quiz

The primary purpose of an Oily Water Separator (OWS) is to:

• Separate oil from water mixtures

• Filter seawater for contaminants

• Treat wastewater for drinking purposes

• Pump bilge water overboard

The OWS operates on the principle of:

• Filtration

• Distillation

• Gravity separation

• Centrifugation

The first stage of the OWS process is:

• Filtration

• Coalescence

• Separation

• Monitoring

The main factor that causes oil to rise to the surface in the separation stage is:

• Temperature

• Pressure

• Density

• Viscosity

The coalescence stage is primarily used to:

• Remove dissolved oil

• Separate oil from water

• Combine small oil droplets

• Monitor oil content

The final stage of the OWS process involves:

• Coalescence

• Separation

• Filtration

• Monitoring and discharge

The regulatory limit for oil content in discharged water is typically:

• 10 ppm

• 15 ppm

• 20 ppm

• 25 ppm

Regular maintenance of the OWS includes:

• Cleaning the filters

• Replacing the pump

• Adding chemicals

• Disabling the alarm system

Separation inefficiency in an OWS can be caused by:

• A clogged filter

• A faulty pump

• Incorrect flow rates

• All of the above

Frequent triggering of alarms in an OWS may indicate:

• A calibration issue with the oil content meter

• A leak in the system

• High level of the bilge tank

• Low temperature of the bilge water